Gates 21752 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21752

The Gates Molded Coolant Hose 21752 is designed for reliable cooling system performance in select Buick, Chevrolet, GMC, Isuzu, Mazda, Oldsmobile, and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Chevrolet S10, Toyota Cressida, and Mazda MPV.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and leak prevention
• Centerline length of 19.1 inches (485 mm) for accurate installation
• Inside diameter of 1.25 inches (32 mm) on both ends
• Compatible with multiple makes and models including Buick Riviera and GMC Sonoma
• Does not contain a spring or quick connect fittings

Details on the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact specifications, reducing installation time and improving sealing performance. This molded design eliminates the need for additional clamps or fittings, providing a direct replacement solution for radiator coolant hoses. The 21752 part number is part of this line, offering a reliable fit for various vehicle cooling systems.

Product Description and Specifications

This radiator coolant hose features a molded construction made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), ensuring compatibility with standard radiator fittings. The centerline length measures 19.1 inches (485 mm), matching OEM specifications for proper coolant flow and system integrity. The hose does not include springs or quick connect fittings, making it suitable for applications requiring a straightforward molded hose replacement.

Common Applications and Problem Solving

• Replacement of cracked or leaking radiator coolant hoses
• Resolving coolant flow restrictions due to hose deformation
• Addressing overheating issues caused by compromised hose integrity
• Eliminating coolant leaks from worn or brittle hoses
• Maintaining proper coolant system pressure and temperature regulation

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Verify the hose dimensions match the original part, focusing on the 1.25 inch (32 mm) inside diameter and 19.1 inch (485 mm) centerline length. Use appropriate clamps to secure the hose ends, even though the molded design provides a precise fit. Inspect surrounding components for wear or damage during replacement to maintain overall cooling system health.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21752 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material offers resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in replacement parts for Buick, Chevrolet, GMC, Isuzu, Mazda, Oldsmobile, and Toyota vehicles.